Sorry for the delay in replying but I hadn't collected my mail for a couple of days due to adding and swapping bits around on the computers. I must admit I haven't thought about the address, but the whole is known as Parc Myrddin if that is any help. If you are in on Thursday I will probably see you there.

This is a national association which aims to bring together individuals,
companies and institutions with a common interest in the following areas:
paper in all its forms and diversity, papermaking by hand and machine,
paper conservation, mill and company histories, papermakers, their families
and communities, machinery manufacture and development, and watermarks.